And what's more that I got from Smithmicro is the followings: He said in the reply: Please note... There are reported issues with some function of Moho 12 on the newer Mac Operating System that may not be exposed until you Render or use some of the advanced tools. I think Smithmicro should rectify a...

I regret having upgraded Moho 12 Pro to 13 Pro. After that, all file formats are upgraded as well that I can NOT open Moho 13 Pro files from Moho 12 Pro. Currently, I'm only using Moho Pro 12 features on Moho Pro 13. I had to still use Catalina only for Moho 13 Pro, while doing other tasks on macOS ...

Short Words: Moho won’t work properly on Big Sur.

Long Words: After upgraded to Big Sur, All the drawings and modeling of Moho can NOT be seen because the main screen went black.

Thus, I can NOT use Moho Pro on Big Sur any more which I’ve worried about before upgrading to Big Sur.